Exposure Spark Mk4 With Flare/RCR123A Charger/QR Mount And Lanyard
Exposure Lights have always been designed to get the maximum light from minimum sized unit and Cable Free Design ensures this is maintained. Utilising superb brackets Exposure Lights attach quickly, safely and securely for hassle free riding.
Intelligent Thermal Management is patented technology which constantly monitors the LEDs temperature to ensure that they do not overheat and become inefficient. ITM keeps the LEDs operating at the optimum output, saving battery power and maximising burntime.
The function button doubles as the classic Exposure Lights fuel gauge, displaying the remaining battery life using a traffic light system to make it clear when it’s time to recharge or replace.
Weight : 73g
Output : 255 lumens white light
Power : 2 x 2900mAh (disposable) 2 x 700mAh (rechargeable)
Burn time : 1.5 - 10 hours
Emitter : 1 x Cree XPG white LED.
Cable Free Design (CFD) : A primary feature unique to Exposure Lights removes the hassle of cables and straps.
Function button : 3 colour Mode and Fuel Gauge indicator.
Charger : CR123 charger
Intelligent Thermal Management (ITM) : Patented technology that combats the loss in efficiency of LEDs at elevated temperatures, maintaining optimum output keeping you shining ‘Brighter for Longer’.
Occasionally, without notice, manufacturers change product design and/or specifications.
Light measurement guide
CANDELA The actual amount of light output at the source, similar to volume of sound coming out of a speaker in all directions. One candela = the light intensity of a household candle.
LUMEN The amount of light (light density) that reaches you at a set distance (1 metre) and angle, similar to how loud the sound would appear to you a metre away from the source.
LUX The amount of reflected light from a surface. If you shone a torch at a dark wall, LUX is the light coverage you can see reflected on the surface.
WATT A measurement of power (electricity) rather than a light output. LEDs are measured differently to household, incandescent and florescent bulbs.
What do you NEED to look for?
All lights have a focused beam so it is difficult to compare Lumens and Candelas.
COMMUTING Get the brightest light your budget can afford, with the best features.
OFF ROAD LIGHT A unit with at least 1000 lumens is a good benchmark (500+ is ok but hard to see at faster speeds.
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